From: NeilBrown <neilb@suse.de>
To: David Brown <david.brown@hesbynett.no>
Cc: Raul Dias <raul@dias.com.br>,
Scott D'Vileskis <sdvileskis@gmail.com>,
"linux-raid@vger.kernel.org List" <linux-raid@vger.kernel.org>
Subject: Re: Replace RAID devices without resorting to degraded mode?
Date: Thu, 13 Mar 2014 10:18:33 +1100 [thread overview]
Message-ID: <20140313101833.7fccbabe@notabene.brown> (raw)
In-Reply-To: <532056EB.2080206@hesbynett.no>
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On Wed, 12 Mar 2014 13:45:31 +0100 David Brown <david.brown@hesbynett.no>
wrote:
> So for raid1, you would add a new mirror device, making a 3-way mirror
> instead of a 2-way one (I don't know off-hand if md raid allows this
> re-shape).
It sure does. raid1 can be 1-way, 2-way, 3-way, 4-way ..... and "mdadm
--grow" can easily switch between them.
NeilBrown
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next prev parent reply other threads:[~2014-03-12 23:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-11 17:36 Replace RAID devices without resorting to degraded mode? Scott D'Vileskis
2014-03-11 23:26 ` Adam Goryachev
2014-03-12 0:00 ` Scott D'Vileskis
2014-03-12 11:54 ` Mikael Abrahamsson
2014-03-12 9:12 ` David Brown
2014-03-12 12:23 ` Raul Dias
2014-03-12 12:45 ` David Brown
2014-03-12 23:18 ` NeilBrown [this message]
2014-03-13 9:27 ` David Brown
2014-03-12 15:38 ` Scott D'Vileskis
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